RUS

Gas-tight closures GNS, GNS (shakhtn)

GNS and GNS (shakhtn) gas-tight closures for TP type cables with sheath diameter 20 to 66 mm.

Gas-tight closure application

GNS (shakhtn) closures are installed in cable shafts.

Technical performance of a gas-tight closure

The GNS closure set includes:

  1. Polyethylene body,
  2. Shield connectors 4460D, 4462.
  3. Shield wire.
  4. Mastic tape 2900R.
  5. DR tape.
  6. Polyethylene clamp.
  7. Spacer mesh.
  8. PVC tape 88Т.
  9. Compound.
  10. Sealing tape 2228.
  11. EZ tape.
  12. ArmorCast reinforcing tape.

Note

GNS and GNS (shakhtn) closures are installed on a vertically located cable.

Gas-tight closure installation

  • the elements of the gas-tight closure body are put on the cables;
  • the cable is terminated in accordance with the installation instructions;
  • cable shield is connected;
  • the threads fastening bunches and lay-ups are removed;
  • the lower closure half is put over the working area;
  • the joint of the closure half with the cable is sealed with 88T tape;
  • the closure half is filled with compound;
  • the upper closure half is pushed over;
  • joints are sealed and reinforced with tapes.

Commissioning a gas-tight coupling

Positive air pressure is supplied to the cable 24 hours after the installation of the closure.

Ordering table

Cable capacity, pairs
Closure type
Cable diameter, mm*(max) Name
GNS closures GNS (shakhtn) closures
100
gas-blocking
24,9
GNS closure up to 27 mm GNS (shakhtn) closure up to 27 mm
200
32,9
GNS closure up to 33 mm GNS (shakhtn) closure up to 33 mm
300
38,2
GNS closure up to 40 mm GNS (shakhtn) closure up to 40 mm
400
43,8
GNS closure up to 52 mm GNS (shakhtn) closure up to 52 mm
500
47,7
GNS closure up to 52 mm GNS (shakhtn) closure up to 52 mm
600
51,3
GNS closure up to 52 mm GNS (shakhtn) closure up to 52 mm
700
55,7
GNS closure up to 62 mm GNS (shakhtn) closure up to 62 mm
800
58,7
GNS closure up to 62 mm GNS (shakhtn) closure up to 62 mm
900
61,6
GNS closure up to 62 mm GNS (shakhtn) closure up to 62 mm
900
61,6
GNS closure up to 66 mm -
1000
64,7
GNS closure up to 66 mm -

* for TPP cables with a core diameter of 0.4 mm.

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